ABAP Select data from SAP table V_ACEPSOIT into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP V_ACEPSOIT table and store it within an internal table, including using the newer @DATA inline declaration methods. It also shows you various ways to process this data using ABAP work area, inline declaration or field symbols including executing all the relevant CONVERSION_EXIT routines specific to V_ACEPSOIT. See here for more generic Select statement tips.

Sometimes data within SAP is stored within the database table in a different format to what it is displayed to the user. These input/output conversation FM routines are what translates the data between the two formats.

There is also a full declaration of the V_ACEPSOIT table where each field has a char/string type for you to simply copy and paste. This allows you to use processing that is only available to these field types such as the CONCATENATE statement.

DATA: IT_V_ACEPSOIT TYPE STANDARD TABLE OF V_ACEPSOIT,
      WA_V_ACEPSOIT TYPE V_ACEPSOIT,
      GD_STR TYPE STRING.

DATA: lo_typedescr type REF TO cl_abap_typedescr.
DATA: lv_fieldname type fieldname.

FIELD-SYMBOLS: <FIELD> TYPE any.
FIELD-SYMBOLS: <V_ACEPSOIT> TYPE V_ACEPSOIT.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_V_ACEPSOIT.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM V_ACEPSOIT
  INTO TABLE IT_V_ACEPSOIT.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM V_ACEPSOIT
*  INTO TABLE @DATA(IT_V_ACEPSOIT2).
*--Further methods of using ABAP code to  select data from SAP database tables

*You can also declare the header/work area using the in-line DATA declaration method
READ TABLE IT_V_ACEPSOIT INDEX 1 INTO DATA(WA_V_ACEPSOIT2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_V_ACEPSOIT ASSIGNING <V_ACEPSOIT>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<V_ACEPSOIT>-MANDT = 1.
<V_ACEPSOIT>-COMP = 1.
<V_ACEPSOIT>-BUKRS = 1.
<V_ACEPSOIT>-GJAHR = 1.
<V_ACEPSOIT>-ACRTYPE = 1.

ENDLOOP.

LOOP AT IT_V_ACEPSOIT INTO WA_V_ACEPSOIT.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_V_ACEPSOIT-ACCRULE, sy-vline,
  WA_V_ACEPSOIT-DOCNR, sy-vline,
  WA_V_ACEPSOIT-VALCUM, sy-vline,
  WA_V_ACEPSOIT-VALTBP, sy-vline,
  WA_V_ACEPSOIT-CURRENCY, sy-vline,
  WA_V_ACEPSOIT-TRANSTYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_V_ACEPSOIT you want to display...

  WRITE:/ sy-uline.
* Aternatively use generic code to Write field values (and NAME) to screen report
  DO.
    ASSIGN COMPONENT sy-index OF STRUCTURE wa_V_ACEPSOIT TO <field>.
    IF sy-subrc <> 0. EXIT. ENDIF.
    WRITE:/ 'Field Value', <field>, sy-vline.
    gd_str = <field> .
    lo_typedescr ?= CL_ABAP_DATADESCR=>DESCRIBE_BY_DATA( <field> ).
    lv_fieldname = lo_typedescr->GET_RELATIVE_NAME( ).
    WRITE:/ 'Field Name', lv_fieldname.
  ENDDO.

  
*Redo loop but convert all fields from internal to out value  
LOOP AT IT_V_ACEPSOIT INTO WA_V_ACEPSOIT.


*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Convert all fields to display/output versions using conversion routines
  PERFORM convert_all_field_values CHANGING wa_EKKO.
	 
ENDLOOP.

  
*&---------------------------------------------------------------------*
*& Form convert_all_field_values
*&---------------------------------------------------------------------*
FORM convert_all_field_values CHANGING p_EKKO LIKE wa_EKKO.
DATA: ld_input(1000) TYPE c, ld_output(1000) TYPE C.

*Conversion exit GJAHR, internal->external for field GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_V_ACEPSOIT-GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_ACEPSOIT-GJAHR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ACRTYPE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_V_ACEPSOIT-ACRTYPE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_ACEPSOIT-ACRTYPE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU152, internal->external for field VALCUM
CALL FUNCTION 'CONVERSION_EXIT_AU152_OUTPUT'
  EXPORTING
    input =                      WA_V_ACEPSOIT-VALCUM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_ACEPSOIT-VALCUM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU152, internal->external for field VALTBP
CALL FUNCTION 'CONVERSION_EXIT_AU152_OUTPUT'
  EXPORTING
    input =                      WA_V_ACEPSOIT-VALTBP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_ACEPSOIT-VALTBP.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field POYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_V_ACEPSOIT-POYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_ACEPSOIT-POYEAR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RUNID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_V_ACEPSOIT-RUNID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_ACEPSOIT-RUNID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field AWSYS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_V_ACEPSOIT-AWSYS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_ACEPSOIT-AWSYS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field FIRSTYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_V_ACEPSOIT-FIRSTYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_ACEPSOIT-FIRSTYEAR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field LASTYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_V_ACEPSOIT-LASTYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_ACEPSOIT-LASTYEAR.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_V_ACEPSOIT_STR, 
MANDT TYPE STRING,
COMP TYPE STRING,
BUKRS TYPE STRING,
GJAHR TYPE STRING,
ACRTYPE TYPE STRING,
ACCRULE TYPE STRING,
DOCNR TYPE STRING,
VALCUM TYPE STRING,
VALTBP TYPE STRING,
CURRENCY TYPE STRING,
TRANSTYPE TYPE STRING,
EFFDATE TYPE STRING,
PODATE TYPE STRING,
POPER TYPE STRING,
POYEAR TYPE STRING,
RUNID TYPE STRING,
AWTYP TYPE STRING,
AWKEY TYPE STRING,
AWSYS TYPE STRING,
TIMESTMP TYPE STRING,
REVERSAL_DOC TYPE STRING,
REVERSED_DOC TYPE STRING,
SUBID TYPE STRING,
UNAME TYPE STRING,
CPUDT TYPE STRING,
CPUTM TYPE STRING,
DEACTDATE TYPE STRING,
STATUS TYPE STRING,
FIRSTYEAR TYPE STRING,
LASTYEAR TYPE STRING,
OBJID TYPE STRING,
REF_KEY TYPE STRING,
REF_SUBKEY TYPE STRING,
OBJSTATUS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_V_ACEPSOIT_STR type T_EKKO_STR.

DATA: ld_text TYPE string.

LOOP AT IT_EKKO INTO WA_EKKO.
  MOVE-CORRESPONDING wa_EKKO TO WA_EKKO_STR.
  CONCATENATE: sy-vline
WA_V_ACEPSOIT_STR-MANDT sy-vline 
WA_V_ACEPSOIT_STR-COMP sy-vline 
WA_V_ACEPSOIT_STR-BUKRS sy-vline 
WA_V_ACEPSOIT_STR-GJAHR sy-vline 
WA_V_ACEPSOIT_STR-ACRTYPE sy-vline 
WA_V_ACEPSOIT_STR-ACCRULE sy-vline 
WA_V_ACEPSOIT_STR-DOCNR sy-vline 
WA_V_ACEPSOIT_STR-VALCUM sy-vline 
WA_V_ACEPSOIT_STR-VALTBP sy-vline 
WA_V_ACEPSOIT_STR-CURRENCY sy-vline 
WA_V_ACEPSOIT_STR-TRANSTYPE sy-vline 
WA_V_ACEPSOIT_STR-EFFDATE sy-vline 
WA_V_ACEPSOIT_STR-PODATE sy-vline 
WA_V_ACEPSOIT_STR-POPER sy-vline 
WA_V_ACEPSOIT_STR-POYEAR sy-vline 
WA_V_ACEPSOIT_STR-RUNID sy-vline 
WA_V_ACEPSOIT_STR-AWTYP sy-vline 
WA_V_ACEPSOIT_STR-AWKEY sy-vline 
WA_V_ACEPSOIT_STR-AWSYS sy-vline 
WA_V_ACEPSOIT_STR-TIMESTMP sy-vline 
WA_V_ACEPSOIT_STR-REVERSAL_DOC sy-vline 
WA_V_ACEPSOIT_STR-REVERSED_DOC sy-vline 
WA_V_ACEPSOIT_STR-SUBID sy-vline 
WA_V_ACEPSOIT_STR-UNAME sy-vline 
WA_V_ACEPSOIT_STR-CPUDT sy-vline 
WA_V_ACEPSOIT_STR-CPUTM sy-vline 
WA_V_ACEPSOIT_STR-DEACTDATE sy-vline 
WA_V_ACEPSOIT_STR-STATUS sy-vline 
WA_V_ACEPSOIT_STR-FIRSTYEAR sy-vline 
WA_V_ACEPSOIT_STR-LASTYEAR sy-vline 
WA_V_ACEPSOIT_STR-OBJID sy-vline 
WA_V_ACEPSOIT_STR-REF_KEY sy-vline 
WA_V_ACEPSOIT_STR-REF_SUBKEY sy-vline 
WA_V_ACEPSOIT_STR-OBJSTATUS sy-vline      INTO ld_text SEPARATED BY SPACE.

*Add any further fields from structure WA_EKKO_STR you want to CONCATENATE...
ENDLOOP.
ENDFORM.